I demand from you in the name of your principles the rights which I shall deny to you later in the name of my principles.

What each man does is based not on direct and certain knowledge, but on pictures made by himself or given to him...

The study of error is not only in the highest degree prophylactic, but it serves as a stimulating introduction to the study of truth.

Men who are orthodox when they are young are in danger of being middle-aged all their lives.

Here lay the political genius of Franklin Roosevelt: that in his own time he knew what were the questions that had to be answered, even though he himself did not always find the full answer.

Creative ideas come to the intuitive person who can face up to the insecurity of looking beyond the obvious.

In government offices which are sensitive to the vehemence and passion of mass sentiment public men have no sure tenure. They are in effect perpetual office seekers, always on trial for their political lives, always required to court their restless constituents.